package j05jiekou;

public interface IDrive {
    void kaiche();
}

interface Isong{
    void sing();
}

class Person{
    String name;
}
class Teacher extends Person implements IDrive{
    @Override
    public void kaiche() {

    }
}
class Student extends Person implements IDrive,Isong{
    @Override
    public void kaiche() {

    }

    @Override
    public void sing() {

    }
}